readTau: Read Tau

Description Usage Arguments Value Author(s) See Also Examples

View source: R/readTau.R

Description

Read-in landuse intensity data (tau) following the methodology published in Dietrich J.P., Schmitz C., Mueller C., Fader M., Lotze-Campen H., Popp A., Measuring agricultural land-use intensity - A global analysis using a model-assisted approach, Ecological Modelling, Volume 232, 10 May 2012, Pages 109-118, ISSN 0304-3800, 10.1016/j.ecolmodel.2012.03.002. The data itself comes from the script prepare_data.R stored in the PIK svn at http://subversion/svn/magpie/paper/ti-paper/sonstiges/scripts/scripts2011. The file which is normally used is called tau_data_1995-2005.mz.

Usage

1
readTau(subtype = "paper")

Arguments

subtype

Type of Tau data that should be read. Available types are:

  • paper: numbers as they are reported in the paper (cellular, crop-specific)

  • historical: historic tau values on iso country level for total tau factor. This numbers were calculated by taking FAO yields and norming it to the 1995 tau values of the paper (faoyields*tau95/mean(faoyields[1995:2005]))

Value

Tau data and weights as MAgPIE object in original resolution

Author(s)

Jan Philipp Dietrich

See Also

readSource

Examples

1
## Not run:  a <- readSource("Tau")

madrat documentation built on Dec. 25, 2019, 9:07 a.m.